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Chingju Posted 13 years ago
Grammar
Mapping v.s. Matching
what difference between Mapping and Matching???
if I want to describe "the data don't have mapping or matching", does make it sense??
if I want to describe "the data don't have mapping or matching", does make it sense??
Top answer
Hi If you are moving data from one database to another, then you do a mapping exercise. You need to understand how the structure of one system relates to the other. CONTACTS (contact_type = "phone"; contact_sub_type = "work") and the other may hold it as phone_numbers (person_id, phone_type) - or whatever Once you understand how one system maps onto the other, you can move data from one to the other.
- Hi If you are moving data from one database to another, then you do a mapping exercise.
- You need to understand how the structure of one system relates to the other.
- CONTACTS (contact_type = "phone"; contact_sub_type = "work") and the other may hold it as phone_numbers (person_id, phone_type) - or whatever Once you understand how one system maps onto the other, you can move data from one to the other.
- That's mapping Data matching is when you have different records on different systems but they have some things in common.
- An obvious example is where a government has a record of Mr Smith paying tax on a large salary on one system whilst claiming a low-income welfare benefit on another.
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2 Answers
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Hi
If you are moving data from one database to another, then you do a mapping exercise. You need to understand how the structure of one system relates to the other. One may hold work phone numbers as PEOPLE.CONTACTS (contact_type = "phone"; contact_sub_type = "work") and the other may hold it as phone_numbers (person_id, phone_type) - or whatever
Once you understand how one sys
If you are moving data from one database to another, then you do a mapping exercise. You need to understand how the structure of one system relates to the other. One may hold work phone numbers as PEOPLE.CONTACTS (contact_type = "phone"; contact_sub_type = "work") and the other may hold it as phone_numbers (person_id, phone_type) - or whatever
Once you understand how one sys
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